| Sunday Adedayo Adewusi | |
| Office1: | 5th Inspector General of Police |
| Term Start1: | 1981 |
| Term End1: | 1983 |
| Predecessor3: | Adamu Suleiman |
| Successor3: | Etim Inyang |
| Birth Date: | 6 December 1936 |
| Birth Place: | Ogbomoso, Nigeria |
| Death Place: | Abuja, Nigeria |
| Party: | Non partisian |
Sunday Adedayo Adewusi (6 December 1936 - 26 January 2016) was a Nigerian policeman and former Inspector General of Police.[1] He was appointed in 1981 to succeed Adamu Suleiman and was succeeded by Etim Inyang in 1983.[2] [3] [4] He died at the age of 79 in 2016.[5] He was born in Nassarawa state of Nigeria.
He started his education at Mada Station between 1944 and 1948, after which he proceeded to Baptist Day School, Jos where he stayed and completed his standard six between 1949 and 1950. He had his secondary education at Keffi from 1951 to 1956.
He joined the Nigeria Police Force and had his police training at the Police College from 1957 to 1958 as a cadet sub-inspector. At the police college, he won the cane of honour. In 1965, he went to Police staff college in Scotland. He also studied operation of force at East Riding Constabulary of Yorkshire. At age 32 he was appointed Commissioner of Police, and at age 45 he was appointed Inspector General of Police.[6]